CN103937918B - A kind of system and method for blast furnace slag quenching water preboiler water - Google Patents
A kind of system and method for blast furnace slag quenching water preboiler water Download PDFInfo
- Publication number
- CN103937918B CN103937918B CN201410190456.9A CN201410190456A CN103937918B CN 103937918 B CN103937918 B CN 103937918B CN 201410190456 A CN201410190456 A CN 201410190456A CN 103937918 B CN103937918 B CN 103937918B
- Authority
- CN
- China
- Prior art keywords
- water
- furnace slag
- blast furnace
- boiler
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 190
- 239000002893 slag Substances 0.000 title claims abstract description 89
- 238000010791 quenching Methods 0.000 title claims abstract description 53
- 230000000171 quenching effect Effects 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000011010 flushing procedure Methods 0.000 claims abstract description 47
- 239000003818 cinder Substances 0.000 claims abstract description 28
- 238000001704 evaporation Methods 0.000 claims abstract description 10
- 230000008020 evaporation Effects 0.000 claims abstract description 10
- 230000001502 supplementing effect Effects 0.000 claims abstract description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005469 granulation Methods 0.000 claims description 24
- 230000003179 granulation Effects 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000001737 promoting effect Effects 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 235000012241 calcium silicate Nutrition 0.000 description 1
- XFWJKVMFIVXPKK-UHFFFAOYSA-N calcium;oxido(oxo)alumane Chemical compound [Ca+2].[O-][Al]=O.[O-][Al]=O XFWJKVMFIVXPKK-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Furnace Details (AREA)
Abstract
The invention discloses a kind of system and method for blast furnace slag quenching water preboiler water. This system is made up of with boiler water heat-exchange system, boiler water evaporation circulation system blast furnace slag flushing water circulation system, flushing cinder water. The method be high temperature furnace slag by shrend, blast furnace slag quenching water water temperature raise enter collecting-tank or pond, carry out heat exchange by the heat exchanger and the boiler water that arrange in collecting-tank or pond; Flushing cinder coolant-temperature gage declines, and carries out next flushing cinder ramp cycle in blast furnace slag flushing water circulation system; Boiler water temperature raises, and in boiler water evaporation circulation system, is heated into steam for user by boiler, and the condensed water of generation and supplementing water are delivered to heat exchanger through circulating pump and carried out preheating next time. The present invention does not change blast furnace slag quenching water circulation process, does not need to arrange separately pond, does not need to arrange filter, and heat exchange efficiency is high, and technology simple possible can effectively comprehensively reclaim the waste heat of blast furnace slag quenching water, and utilization ratio is high, and promotional value is large.
Description
Technical field
The present invention relates to a kind of system and method that utilizes blast furnace slag quenching water waste heat, relate in particular to a kind of system and method for blast furnace slag quenching water preboiler water, belong to technical field of metallurgy industry.
Background technology
The waste residue of discharging when blast furnace slag is ironmaking, iron per ton produces the blast furnace slag of 300～900kg, and its main component is calcium silicates or calcium aluminate etc. General steel plant are in blast furnace iron-making process, and the blast furnace slag temperature of generation exceedes 1400 DEG C, and the heat that blast furnace slag is taken away accounts for 16% of blast furnace total energy consumption. Blast furnace substantially all adopts flush slag technique at present, blast-furnace cement sensible heat substantially all enters in flushing cinder water, even if adopt forced ventilation cooling, along with the circulation of flushing cinder water, water temperature still can rise to approximately 95 DEG C, cause a large amount of steam to be discharged into the atmosphere, except wasting energy, also can cause water resource waste and thermal pollution simultaneously.
The major technique of the blast furnace slag quenching water heat recovery that at present, national colleges and universities, enterprise adopt has following a few class:
1. blast furnace slag quenching water heating system using exhaust heat. For most of China area, need the time of heating shorter, system availability is low, and promotional value is little;
2. blast furnace slag quenching water utilizing waste heat for refrigeration system. In summer, hot water is sent into absorption refrigeration unit, but refrigeration unit using amount of hot water is limited, and system availability is also lower, and promotional value is also little;
3. blast furnace slag quenching water afterheat generating system. Because hot water temperature is not high enough, and have fluctuation by a relatively large margin, flow is large, is subject to the restriction of prior art, and system effectiveness and operating rate all can not reach industrialized condition;
4. the system of other working medium of blast furnace slag flushing water preheat. Need to increase pond newly, by flushing cinder water filtration, require highly to system is wear-resisting, or just flushing cinder hydro-thermal can be passed to working medium through secondary heat exchange and fully utilize, have the problems such as investment is large, the thermal efficiency is low, operating cost is high.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiency that above-mentioned existing blast furnace slag quenching water heat recovery technology exists, and provides that a kind of technology is reliable, the system and method for the blast furnace slag quenching water preboiler water of simple possible.
The present invention for solving the problems of the technologies described above taked technical scheme is:
A kind of system of blast furnace slag quenching water preboiler water; it comprises blast furnace slag flushing water circulation system, and described blast furnace slag flushing water circulation system comprises granulation case, sluice, shot tank, separating device for water with dregs, collecting-tank, back water pump, cooling tower, pond, granulation pump and connecting pipe thereof.
The system of this blast furnace slag quenching water preboiler water also comprises flushing cinder water and boiler water heat-exchange system, boiler water evaporation circulation system, and described flushing cinder water and boiler water heat-exchange system comprise heat exchanger and heat-exchange working medium; Described boiler water evaporation circulation system comprises boiler, steam user, condensate return device, circulating pump and connecting pipe;
Described heat exchanger is arranged in collecting-tank or pond, and the heat-exchange working medium of described heat exchanger inside is boiler water.
High temperature furnace slag is by shrend, blast furnace slag quenching water water temperature raises and enters collecting-tank or pond, carries out heat exchange, through heat exchange by the heat exchanger and the boiler water that arrange in collecting-tank or pond, blast furnace slag flushing coolant-temperature gage declines, and carries out next flushing cinder ramp cycle in blast furnace slag flushing water circulation system. When blast furnace slag flushing hydrothermal exchange, boiler water temperature raises, and in boiler water evaporation circulation system, is heated into steam for user by boiler, and the condensed water of generation and supplementing water are delivered to heat exchanger through circulating pump and carried out preheating next time.
As one of preferred version of the present invention, described heat exchanger is recuperative heat exchanger.
Further, described recuperative heat exchanger can be single group, can be also many group serial or parallel connections.
A method for blast furnace slag quenching water preboiler water, it comprises the steps:
A. high temperature furnace slag is quenched by granulation case injection cooling water rapid cooling water, slag is by granulation, blast furnace slag quenching water water temperature raises, enter separating device for water with dregs and carry out pulp water separation, blast furnace slag quenching water enters collecting-tank and enters pond through back water pump, carries out heat exchange by the heat exchanger and the boiler water that arrange in collecting-tank or pond; Through heat exchange, blast furnace slag flushing coolant-temperature gage declines, and carries out next flushing cinder ramp cycle in blast furnace slag flushing water circulation system;
B. when blast furnace slag flushing hydrothermal exchange, boiler water temperature raises, and in boiler water evaporation circulation system, is heated into steam for user by boiler, and the condensed water of generation and supplementing water are delivered to heat exchanger through circulating pump and carried out preheating next time.
Preferably, described heat exchanger adopts recuperative heat exchanger.
Preferred, described recuperative heat exchanger can be single group, can be also many group serial or parallel connections.
As one of preferred version of the present invention, when the system normal operation of this blast furnace slag quenching water preboiler water, described heat exchanger is lower than pond liquid level.
As one of preferred version of the present invention, the cooling system in described cooling tower can partly or entirely cut out, and can reduce like this flushing cinder water at the temperature drop entering before heat exchange, and back water pump work lift is reduced, and reduces power consumption.
Preferably, the heat exchange of described blast furnace slag quenching water and boiler water is only completed by one-level heat exchange.
Compared with prior art, the obtained beneficial effect of the present invention is:
The technology of the present invention simple possible, flushing cinder water and boiler water heat-exchange system have been utilized collecting-tank or the pond in blast furnace slag flushing water circulation system, and flushing cinder water and boiler water heat-exchange system do not need to arrange separately pond; Do not change blast furnace slag quenching water circulation process, do not need, through filtering, filter not to be set for the blast furnace slag quenching water of heat exchange, do not need to carry out Wear-resistant Treatment, reduce investment; Blast furnace slag flushing water circulation system cooling tower can partly or entirely be closed, and saves electric energy; The heat exchange of blast furnace slag quenching water and boiler water is only completed by one-level heat exchange, and heat exchange efficiency is high. The present invention can effectively comprehensively reclaim the waste heat of blast furnace slag quenching water, and utilization ratio is high, and promotional value is large.
Brief description of the drawings
In order to be illustrated more clearly in architectural feature of the present invention and technical essential, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
The structure &processes flow chart of the system of a kind of blast furnace slag quenching water preboiler water that Fig. 1 provides for the embodiment of the present invention;
The structure &processes flow chart of the system of the another kind of blast furnace slag quenching water preboiler water that Fig. 2 provides for the embodiment of the present invention.
Description of reference numerals: 1-high temperature furnace slag, 2-granulation case, 3-sluice, 4-shot tank, 5-separating device for water with dregs; 6-collecting-tank, 7-back water pump, 8-cooling tower, 9-pond, 10-granulation pump; 11-heat exchanger, 12-boiler, 13-steam user, 14-condensate return device, 15-circulating pump.
Detailed description of the invention
Below in conjunction with accompanying drawing and the present embodiment, technical scheme of the present invention is done to further concrete, clear, complete description, the following example should not be construed as limitation of the present invention certainly.
Shown in Figure 1, for the system of a kind of blast furnace slag quenching water preboiler water of the present embodiment, it comprises high temperature furnace slag 1, granulation case 2, sluice 3, shot tank 4, separating device for water with dregs 5, collecting-tank 6, back water pump 7, cooling tower 8, pond 9, granulation pump 10, heat exchanger 11, boiler 12, steam user 13, condensate return device 14, circulating pump 15 and connecting pipe thereof, described granulation case 1 is arranged at the end of sluice 3, described shot tank 4 is connected through pipeline with separating device for water with dregs 5, described separating device for water with dregs 5 belows are provided with a collecting-tank 6, in described collecting-tank 6, be provided with heat exchanger 11, described back water pump 7 is connected with cooling tower 8 with collecting-tank 6 respectively, described cooling tower 8 belows are provided with a pond 9, described pond 9 is connected with granulation pump 10, described granulation pump 10 is connected with granulation case 2. described heat exchanger 11 is connected with boiler 12, and described boiler 12 is connected with steam user 13, and described steam user 13 is connected with condensate return device 14, and described condensate return device 14 is connected with circulating pump 15, and described circulating pump 15 is connected with heat exchanger 11.
Shown in Figure 2, for the system of the another kind of blast furnace slag quenching water preboiler water of the present embodiment, it comprises high temperature furnace slag 1, granulation case 2, sluice 3, shot tank 4, separating device for water with dregs 5, collecting-tank 6, back water pump 7, cooling tower 8, pond 9, granulation pump 10, heat exchanger 11, boiler 12, steam user 13, condensate return device 14, circulating pump 15 and connecting pipe thereof, described granulation case 1 is arranged at the end of sluice 3, described shot tank 4 is connected through pipeline with separating device for water with dregs 5, described separating device for water with dregs 5 belows are provided with a collecting-tank 6, described back water pump 7 is connected with collecting-tank 6 and cooling tower 8 respectively, described cooling tower 8 belows are provided with a pond 9, described pond 9 is connected with granulation pump 10, described granulation pump 10 is connected with granulation case 2. in described pond 9, be provided with heat exchanger 11, described heat exchanger 11 is connected with boiler 12, and described boiler 12 is connected with steam user 13, and described steam user 13 is connected with condensate return device 14, described condensate return device 14 is connected with circulating pump 15, and described circulating pump 15 is connected with heat exchanger 11.
This system is utilized collecting-tank 6 or pond 9, and flushing cinder water and boiler water heat-exchange system do not need to arrange separately pond, do not change blast furnace slag quenching water circulation process, does not need, through filtering, filter not to be set for the flushing cinder water of heat exchange. In described collecting-tank 6 or pond 9, be provided with heat exchanger 11, described heat exchanger 11 is recuperative heat exchanger, and described recuperative heat exchanger can be single group, can be also many group serial or parallel connections. The inner heat-exchange working medium of described heat exchanger 11 is boiler water, and when this system operation, heat exchange can transfer heat to the boiler water in heat exchanger 11 through one-level to utilize heat exchanger 11, produces steam through the boiler water boiler of feeding 12 of preheating.
Shown in Fig. 1 and Fig. 2, the technological process of the method for the blast furnace slag quenching water preboiler water of the present embodiment is:
A. the flushing cinder water that high temperature furnace slag 1 is sprayed by granulation case 2 is in the interior granulation of shot tank 4; flushing cinder water temperature raises; enter separating device for water with dregs 5 and carry out pulp water separation, blast furnace slag quenching water enters collecting-tank 6 or pond 9, carries out heat exchange by heat exchanger 11 and the boiler water of collecting-tank 6 or pond 9 interior settings. Through heat exchange, blast furnace slag flushing coolant-temperature gage declines, and carries out next flushing cinder ramp cycle in blast furnace slag flushing water circulation system.
B. when flushing cinder hydrothermal exchange, boiler water temperature raises, and in boiler water evaporation circulation system, is heated into steam for user 13 by boiler 12, and the condensed water of generation and supplementing water are delivered to heat exchanger 11 through circulating pump 15 and carried out preheating next time.
As one of preferred version of the present embodiment, when the system normal operation of this blast furnace slag quenching water preboiler water, described heat exchanger 11 is lower than pond liquid level.
As one of preferred version of the present embodiment, the cooling system in described cooling tower 8 can partly or entirely cut out, and can reduce like this flushing cinder water at the temperature drop entering before heat exchange, and back water pump 7 lift of working is reduced, and reduces power consumption.
Preferably, the heat exchange of described blast furnace slag quenching water and boiler water is only completed by one-level heat exchange.
In sum, the present embodiment technology simple possible, utilizes collecting-tank or pond, and flushing cinder water and boiler water heat-exchange system do not need to arrange separately pond; Do not change blast furnace slag quenching water circulation process, do not need, through filtering, filter not to be set for the blast furnace slag quenching water of heat exchange. In the time of tap cinder, slag sensible heat substantially all enters flushing cinder water, and along with the circulation of flushing cinder water, partly or entirely close cooling tower, water temperature in system in collecting-tank and pond rises rapidly, in collecting-tank or pond, recuperative heat exchanger is installed, when system operation, utilize heat exchanger to transfer heat to the boiler water in heat exchanger, use through the boiler water boiler of feeding of preheating. The present embodiment can effectively comprehensively reclaim the waste heat of blast furnace slag quenching water, and utilization ratio is high, and promotional value is large.
Above-mentioned detailed description of the invention; be only explanation technical conceive of the present invention and architectural feature; object is to allow the stakeholder who is familiar with technique implement according to this; but above said content does not limit the scope of the invention; any equivalence that every foundation Spirit Essence of the present invention is done changes or modifies, within all should falling into protection scope of the present invention.
Claims (9)
1. the system of a blast furnace slag quenching water preboiler water; it comprises blast furnace slag flushing water circulation system; described blast furnace slag flushing water circulation system comprises granulation case, sluice, shot tank, separating device for water with dregs, collecting-tank, back water pump, cooling tower, pond, granulation pump and connecting pipe thereof; it is characterized in that
The system of this blast furnace slag quenching water preboiler water also comprises flushing cinder water and boiler water heat-exchange system, boiler water evaporation circulation system, and described flushing cinder water and boiler water heat-exchange system comprise heat exchanger and heat-exchange working medium; Described boiler water evaporation circulation system comprises boiler, steam user, condensate return device, circulating pump and connecting pipe;
Described heat exchanger is arranged in collecting-tank or pond, and the heat-exchange working medium of described heat exchanger inside is boiler water.
2. the system of a kind of blast furnace slag quenching water preboiler water according to claim 1, is characterized in that, described heat exchanger is recuperative heat exchanger.
3. the system of a kind of blast furnace slag quenching water preboiler water according to claim 2, is characterized in that, described recuperative heat exchanger can be single group, can be also many group serial or parallel connections.
4. a method for blast furnace slag quenching water preboiler water, is characterized in that, the method for this blast furnace slag quenching water preboiler water comprises the steps:
A. high temperature furnace slag is quenched by granulation case injection cooling water rapid cooling water, high temperature furnace slag is by granulation, blast furnace slag quenching water water temperature raises, enter separating device for water with dregs and carry out pulp water separation, then blast furnace slag quenching water enters collecting-tank and enters pond through back water pump, carries out heat exchange by the heat exchanger and the boiler water that arrange in collecting-tank or pond; Through heat exchange, blast furnace slag flushing coolant-temperature gage declines, and carries out next flushing cinder ramp cycle in blast furnace slag flushing water circulation system;
B. when blast furnace slag flushing hydrothermal exchange, boiler water temperature raises, and in boiler water evaporation circulation system, is heated into steam for user by boiler, and the condensed water of generation and supplementing water are delivered to heat exchanger through circulating pump and carried out preheating next time.
5. the method for a kind of blast furnace slag quenching water preboiler water according to claim 4, is characterized in that, described heat exchanger adopts recuperative heat exchanger.
6. the method for a kind of blast furnace slag quenching water preboiler water according to claim 5, is characterized in that, described recuperative heat exchanger can be single group, can be also many group serial or parallel connections.
7. according to the method for a kind of blast furnace slag quenching water preboiler water described in any one in claim 4-6, it is characterized in that, when this blast furnace slag quenching water preboiler water system normal operation, described heat exchanger is lower than pond liquid level.
8. the method for a kind of blast furnace slag quenching water preboiler water according to claim 4, is characterized in that, the cooling system in described cooling tower can partly or entirely cut out.
9. the method for a kind of blast furnace slag quenching water preboiler water according to claim 4, is characterized in that, the heat exchange of described blast furnace slag quenching water and boiler water is only completed by one-level heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190456.9A CN103937918B (en) | 2014-05-07 | 2014-05-07 | A kind of system and method for blast furnace slag quenching water preboiler water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410190456.9A CN103937918B (en) | 2014-05-07 | 2014-05-07 | A kind of system and method for blast furnace slag quenching water preboiler water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103937918A CN103937918A (en) | 2014-07-23 |
| CN103937918B true CN103937918B (en) | 2016-05-11 |
Family
ID=51185783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410190456.9A Active CN103937918B (en) | 2014-05-07 | 2014-05-07 | A kind of system and method for blast furnace slag quenching water preboiler water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103937918B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595947B (en) * | 2019-01-17 | 2023-10-03 | 苏州良造能源科技有限公司 | An industrial slag sensible heat recovery system and its recovery method |
| CN110714127B (en) * | 2019-11-01 | 2025-02-18 | 石家庄爱迪尔电气有限公司 | An electromagnetic directional solidification aluminum purification system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275171A (en) * | 2008-03-31 | 2008-10-01 | 中冶南方工程技术有限公司 | An environment-friendly blast furnace slag treatment process and its system |
| CN101418950A (en) * | 2008-12-10 | 2009-04-29 | 东北大学 | System for recovering sensible heat of blast furnace slag |
| CN203384962U (en) * | 2013-07-09 | 2014-01-08 | 北京亿玮坤节能科技有限公司 | System for heating condensate water or supplemented water of power plant by adopting blast furnace slag flushing water |
| CN203820804U (en) * | 2014-05-07 | 2014-09-10 | 江苏沙钢集团有限公司 | System for preheating boiler water by washing blast furnace slag water |
-
2014
- 2014-05-07 CN CN201410190456.9A patent/CN103937918B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101275171A (en) * | 2008-03-31 | 2008-10-01 | 中冶南方工程技术有限公司 | An environment-friendly blast furnace slag treatment process and its system |
| CN101418950A (en) * | 2008-12-10 | 2009-04-29 | 东北大学 | System for recovering sensible heat of blast furnace slag |
| CN203384962U (en) * | 2013-07-09 | 2014-01-08 | 北京亿玮坤节能科技有限公司 | System for heating condensate water or supplemented water of power plant by adopting blast furnace slag flushing water |
| CN203820804U (en) * | 2014-05-07 | 2014-09-10 | 江苏沙钢集团有限公司 | System for preheating boiler water by washing blast furnace slag water |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103937918A (en) | 2014-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103981306B (en) | The waste heat recycle method of blast furnace slag water quenching granulation and device | |
| CN203128593U (en) | Efficient blast furnace slag-washing water waste heat recycling system adopting INBA process | |
| CN102787187B (en) | System and method for generating power with blast-furnace slag washing water and exhaust steam low-temperature waste heat | |
| CN102787874A (en) | Device and method for power generation by waste heat of blast furnace slag | |
| CN202647718U (en) | Supercritical clamminess heating machine set heat supply net drainage treating system | |
| CN202938324U (en) | Pulverized coal fired boiler air-water-joint cooling drying slag discharging system | |
| CN103060496A (en) | Method and system suitable for recovering waste heat of blast furnace slag flushing water | |
| CN102602960A (en) | Method for stilling ammonia by aid of waste heat of flue gas of coke oven and equipment | |
| CN102581945A (en) | Exhaust steam afterheat recycling device for aerated brick field | |
| CN103937918B (en) | A kind of system and method for blast furnace slag quenching water preboiler water | |
| CN202540459U (en) | Waste steam waste heat recovery device of gas brickyard | |
| CN106322427A (en) | Deslagging waste heat utilization system and deslagging waste heat utilization method for circulating fluidized bed boiler | |
| CN203820804U (en) | System for preheating boiler water by washing blast furnace slag water | |
| CN103994667B (en) | A kind of heater for rolling steel residual neat recovering system | |
| CN103242865A (en) | Device and method for generating electricity by utilizing waste heat of raw coke oven gas | |
| CN102787186B (en) | Thermal and electric combined supply system and method using blast furnace slag washing water and exhaust steam low-temperature waste heat | |
| CN100516647C (en) | Boiler high temperature feed water and air pre-system for discrete low-grade waste heat recovery | |
| CN107990740A (en) | The equipment that blast furnace slag wind quenching granulated particles waste heat for supplying is utilized based on flash evaporation technology | |
| CN206375695U (en) | A kind of flash distillation feeder suitable for low temperature multi-effect seawater desalting system | |
| CN206755307U (en) | Condensing-type low-vacuum cooling circulating water heating installation | |
| CN117847497A (en) | A sintered ore cooling and waste heat recovery power generation system | |
| CN104894310B (en) | Blast furnace slag-flushing waste heat recovery steam-flue gas heat exchange technology | |
| CN105716281A (en) | Waste heat recycling system with heat pipe exchanger | |
| CN203518639U (en) | Waste heat recovery unit for metallurgical rotary type lime kiln | |
| CN204062990U (en) | A kind of boiler steam-water circulation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |